US Bridges

FM - D Ave over N Pierson Creek

Fair

Cherokee County, Iowa · 090422702 · Structure no. 000000000107700

Built
1961
64 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
50 ft
3 main spans
Daily traffic
679
2022 count
Owner
County
County Highway Agency

About this bridge

FM - D Ave over N Pierson Creek is a concrete continuous culvert carrying FM - D Ave over N Pierson Creek in Cherokee County, Iowa. It was built in 1961, so it is 64 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 679 vehicles a day, roughly 38% of them trucks, projected to reach 679 by 2043. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM - D Ave
CrossesN Pierson Creek
Location090422702
RouteCounty Highway 0
StateIowa
Coordinates42.58011, -95.80042
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating34.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length50 ft (15.2 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic679 (2022)
Projected traffic679 by 2043
Trucks38%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM - D Ave over N Pierson Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is FM - D Ave over N Pierson Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does FM - D Ave over N Pierson Creek carry?

About 679 vehicles per day (2022 count), of which roughly 38% are trucks.

How long is FM - D Ave over N Pierson Creek?

The structure is 50 ft (15.2 m) long with a longest span of 16 ft (4.9 m).

Who owns FM - D Ave over N Pierson Creek?

It is owned by the County Highway Agency.